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Allowance for Doubtful Accounts (Tables)
 12 Months Ended
Dec. 31, 2012
Schedule Of Allowance For Doubtful Accounts

The allowance for doubtful trade accounts receivable as of December 31, 2012, 2011 and 2010 consists of the following:

 

      2012     2011     2010  

Balance as of January 1

    $ 11,485        11,531        10,690   

Provision charged to expense

      3,034        3,728        3,991   

Charged to other accounts(1)

      151        (57 )      (89 ) 

Deductions

      (3,064 )      (3,717 )      (3,061 ) 

Balance as of December 31

    $ 11,606        11,485        11,531   

 

(1) Primarily includes the effect of foreign currency translation adjustments for the Company’s subsidiaries with functional currencies other than the USD.